The Trump administration has launched a $500 million project to develop a universal flu vaccine that won't need yearly updates. But vaccine experts are mystified by its focus on a dated technology.

Trump administration's universal flu vaccine project puzzles scientists

Hear KUOW and NPR award-winning hosts and reporters from around the globe present some of the nation's best reporting  of the day's events, interviews, analysis and reviews.

Hear KUOW and NPR award-winning hosts and reporters from around the globe present some of the nation's best reporting of the day's events, interviews, analysis and reviews.

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Trump administration's universal flu vaccine project puzzles scientists

Trump administration's universal flu vaccine project puzzles scientists